When Teresa Tamworth gives birth to only one female piglet in her litter, it causes a sensation among the animals at the Rare Breeds Survival Centre. Young Triffic's independent and boisterous ways soon arouse the disapproval of the others. Little Triffic is the most amazing piglet. When she becomes friends with Octavius, the grumpy old mule, the unlikely pair turn into a huge hit with all the visitors.